Vernon Preston
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8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?
New Zealand
22,5%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 439; Σ finishers = 1 948. 439 / 1 948 × 100 = 22.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races787 km
> 100 km3
> 160 km2
> 24h1
Longest race165,2 km
5th Tarawera 100 Mile Endurance Run — 11/2/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail91,5%
Elim.8,5%
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 14.02 | 163km | 29:30:19 h | 110 | |
| 2025 | ||||
| 25.10 | Backyard Ultra | 67.060 km (10h) | 69 | |
| 11.10 | 70km | 8:45:15 h | 29 | |
| 2023 | ||||
| 14.10 | 70km | 7:21:49 h | 7 | |
| 11.02 | 165.2km | 23:58:25 h | 112 | |
| 2022 | ||||
| 15.10 | 100km | 11:39:46 h | 32 | |
| 2019 | ||||
| 09.02 | 102km | 12:16:32 h | 61 | |
| 2017 | ||||
| 11.11 | 50km | 5:42:02 h | 27 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/2/2023 | 5th Tarawera 100 Mile Endurance Run | 165,20 | ×6 |
| ✓ 2 | 14/2/2026 | 8th Tarawera 100 Mile Endurance Run | 163,00 | ×6 |
| ✓ 3 | 9/2/2019 | 11th Tarawera 100 km Ultramarathon | 102,00 | ×4 |
| ✓ 4 | 15/10/2022 | 6th Taupo Ultramarathon 100km | 100,00 | ×4 |
| ✓ 5 | 11/10/2025 | 9th Taupo Ultramarathon 70km | 70,00 | ×2 |
| ✓ 6 | 14/10/2023 | 7th Taupo Ultramarathon 70km | 70,00 | ×2 |
| ✓ 7 | 25/10/2025 | 3rd River-Run Backyard Ultra | 67,06 | ×2 |
| ✓ 8 | 11/11/2017 | 4th Tarawera Trail 50k run | 50,00 | ×2 |